# How long did it take to make the moon? Maybe just 5 hours, new simulations suggest

> **Open Intelligence Dossier** · First detected: 2026-09-09 23:07 UTC · Category: Science

## Executive Summary
New simulations suggest the Moon may have formed almost intact in just five hours following a giant cosmic impact with Earth.

## Intelligence Brief
Recent scientific modeling and simulation studies indicate that the Moon may have formed almost intact within just a few hours following a massive cosmic collision between Earth and a planetary body named Theia. Coverage from outlets such as The Brighter Side of News, Martin Cid Magazine, techexplorist.com, Nautilus, Science Daily, WION, and Eurasia Review outlines how this new research fundamentally reexamines long-standing scientific theories regarding the birth of Earth's satellite. Publications emphasize different angles of the modeling study, ranging from technical assessments of whether the material was soft and stretchy or rock solid to online social media reactions. According to reporting by WION, internet users connected the five-hour origin theory to religious narratives regarding the creation of the heavens.


Meanwhile, Science Daily and Eurasia Review focus heavily on the mechanics of the giant impact and the new simulation techniques utilized by researchers. This rapid formation hypothesis challenges older models that suggested the Moon took much longer to accrete from a debris ring orbiting Earth over weeks, months, or even millennia. The new studies leverage advanced computing to simulate the immediate aftermath of the planetary smashup, capturing how debris could coalesce so shockingly fast. The exact physical state of the material during and immediately after the impact remains a key focus of the modeling efforts.


Coverage does not yet specify definitive future milestones or the exact dates of upcoming academic publications related to these simulations. Observers will monitor whether further modeling studies are released to validate the five-hour timeline or if additional peer-reviewed findings emerge to refine the physics of the Earth-Theia collision.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| The Brighter Side of News | The Moon may have formed almost intact within hours of Theia smashing into Earth | [Source Link](https://news.google.com/rss/articles/CBMiuwFBVV95cUxOVHUyMFJZRGo2LTNPVHlGWndUOE5VOVVNSElPYUFfQ1c5X2szZm13QUlodDhtT3RhMVRhUnFxZWZFS2l1Ql9ldC1EUVUzcFktYm1ra1BsTTZ6MHF3dGhzcjNKSFJPWkdWVXhxNDdraFJpV3kyd2Nxa0I4czF4b3BaRGJDbTZPNUJOeHZ0clRPdG13X0RDOU9PaE13b01TN3RxU19NVXlsZlRvU0k0am1fNHd4Z0FFNmpqQll3?oc=5) |
| Martin Cid Magazine | The Moon may have formed intact in just five hours after the giant impact | [Source Link](https://news.google.com/rss/articles/CBMifkFVX3lxTE5VVmc4YUNEaVk2TVg4R0tlZzIwbkphTnh3MFZHMUZQTlc4RzNGdnc2dlpOdkRCdXE2ZnIzSkprU05MMjJPLVpELUp6eTZubGhHdFBhTld6cjVKQmJjWmNzcFpaa1RRVWZqY2h3d1gtMURGVV9STnhTVkNEVWdIZw?oc=5) |
| techexplorist.com | The Moon was born from a cosmic collision. It may have happened shockingly fast | [Source Link](https://news.google.com/rss/articles/CBMikwFBVV95cUxNLWdBc19hd1o0QWEyQjNmS3U2ZGV3RjRlT0liRU5HaGhoSUZ1SGVDYnQyRzB1UzBzWFJsMkU5bGxhOVVVaWFNQTA4ZEZtZFFMRUEwN2otQVJwQnV6UHBCWXNKZzVLVy1MYlROOE81SnhxSll2X2FUZ0NXanpvNnhLQjFOcU1ndTJBb1FPRng2N3lfTDQ?oc=5) |
| Nautilus | Science Connected | The Moon May Have Been Created in Just Five Hours | [Source Link](https://news.google.com/rss/articles/CBMigAFBVV95cUxORWU1WjlGcmE4cUxJOWl5cmtVa1pYbVdadjQyaXlBV2ROSExnUElYTmlwbDFGODBXalhCSS1EUnp1aEd2V0g1TGZmSmN2a0dhQlJKeVFiNHpZdElnQ1BPeEZjM2l1TmgzVWtaeEhJVE53dVFZbG14M2xMS2RXOE1XVA?oc=5) |
| Science Daily | The Moon may have formed intact just hours after a giant collision | [Source Link](https://news.google.com/rss/articles/CBMib0FVX3lxTE43YjhXNlhUd1o3bGdzZ3ljajFzRmJEZWFJRGFWY2pCZ2Z5X1ctVUdsckotMjVfZm1BdDFyZkpDbGF3b2F0RkhtUEt5R3NxTGRMUTZkOHU5c1RTTEFMZDRXUlhSN25QLVBQeW16V0x5WQ?oc=5) |
| Science Daily | The Moon may have formed intact just hours after a giant collision | [Source Link](https://news.google.com/rss/articles/CBMibkFVX3lxTE45ZVdCZW5UR0wzQWRrR3lva3ZvRWllXzNJdmNEVE9JdERIUDIzYUJEVjlqbkxOOFZ0dTE3QXl6R0xaelNqdkxBZnZUeU93OGg2MEMwZl9Zc3VTaXFEcVVjbXd4aHBNWmlmMkx3MF9n?oc=5) |
| WION | Moon's 5-hour origin theory proves Bible's creation of heavens story right, netizens say | [Source Link](https://news.google.com/rss/articles/CBMiwgFBVV95cUxNTEhEcXNESEIxVFgyUHhpNGVFZldpU3ZycGFKMlROYnBwSURrTUlzQkZWS01jTllRZWJ0ZHRVekYzVXItT2Z5OU42eXk1VkZJMmZ2LVBDZzBkNGlISWhBWTk5aExSME95a2pCSDFuMlVqYXJOT01WMDNVN0Qyd3JRVXQ0OVhmQTNBNWROdEVQbjM4Y1dqVW5kYVRBVzNvS0o1OEVibTdMakZPakt2ZFdoZmxYSjlfRVVLdVpVRUhXWjZSd9IBxwFBVV95cUxObVlVRVdBNkNnS1lwWTFlaDdzWVJseDA2eDUzeUV4Vm11S0FNcGkzMWpXY2JJTHlZQlk4Y1BtOWFwU0VIekttbUJrYm05WU91dlRFUEhMYlNScEVrY2RETHFDTWJHUXVDTE1HQ1Vva2xYVGg0SFZoRDRmV2J5NzR6eUNvM3V2RVVORnpGWlZRV2R) |
| Eurasia Review | Soft And Stretchy Or Rock Solid? New Modeling Study Sheds Light On How The Earth Got Its Moon | [Source Link](https://news.google.com/rss/articles/CBMizAFBVV95cUxNcEhrdFFMMl9NLW50d2F3MUo1X2pmTFVTX29zemZLa0Q1MmlpeDA1VmQ5WWUwY0NvUV8yaUNTMnJITnNfcF91Y0ZCVnpTeGNxNG94NkJuZ2RJT2dlWUVlRklvd0N0Y2g1OC0wc1hvRXdEQ0UwY1dmYnZON256eHVrTmI4SGY0dmU2TnNac0Z6SGJBUi14QWo0Smtlb2NhQ1hTOFNLcnRzdUFId29LU21tbVpMSmRybHRubklXaGQ2eDE1U2FBeFRWVktGQVQ?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-09-09/how-long-did-it-take-to-make-the-moon-maybe-just-5-hours-new-simulations-suggest*